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Cheap flights from Seattle to Ireland from €239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:00 - 05:10
SEA
-
DUB
13h 10m
1 stop
Multiple Airlines Logo
13:20 - 21:04
DUB
-
SEA
15h 44m
1 stop
€612Multiple Airlines
Tue, 13 Oct - Sun, 18 Oct
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m
1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m
1 stop
€614Icelandair
Mon, 9 Nov - Thu, 26 Nov
Multiple Airlines Logo
08:00 - 05:10
SEA
-
DUB
13h 10m
1 stop
Multiple Airlines Logo
13:20 - 21:04
DUB
-
SEA
15h 44m
1 stop
€615Multiple Airlines
Tue, 6 Oct - Sun, 18 Oct
Scandinavian Airlines Logo
14:50 - 11:50
SEA
-
DUB
37h 00m
2 stops
Scandinavian Airlines Logo
19:50 - 13:45
DUB
-
SEA
25h 55m
2 stops
€616Scandinavian Airlines
Wed, 19 Aug - Fri, 28 Aug
Scandinavian Airlines Logo
15:55 - 10:25
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
19:50 - 13:45
DUB
-
SEA
25h 55m
2 stops
€617Scandinavian Airlines
Sat, 22 Aug - Mon, 31 Aug
Scandinavian Airlines Logo
15:55 - 10:25
SEA
-
DUB
34h 30m
2 stops
Scandinavian Airlines Logo
11:10 - 13:45
DUB
-
SEA
34h 35m
2 stops
€618Scandinavian Airlines
Tue, 1 Sep - Fri, 18 Sep
United Airlines Logo
05:00 - 10:15
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
09:30 - 16:07
SNN
-
SEA
14h 37m
1 stop
€645United Airlines
Tue, 1 Sep - Fri, 4 Sep
United Airlines Logo
08:40 - 10:15
SEA
-
SNN
17h 35m
2 stops
United Airlines Logo
09:30 - 22:42
SNN
-
SEA
21h 12m
1 stop
€656United Airlines
Tue, 25 Aug - Tue, 8 Sep
Delta Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
Delta Logo
06:15 - 16:24
ORK
-
SEA
18h 09m
1 stop
€729Delta
Tue, 26 May - Wed, 3 Jun
Delta Logo
10:15 - 14:40
SEA
-
ORK
20h 25m
2 stops
Delta Logo
06:15 - 16:24
ORK
-
SEA
18h 09m
1 stop
€733Delta
Tue, 26 May - Wed, 3 Jun

Turkish Airlines flights from Seattle to Ireland

Our best Turkish Airlines deals on Seattle to Ireland flight tickets
Turkish Airlines
7 Oct
SEA19:15Seattle/Tacoma Intl
19h 50m
1 stop
DUB23:05Dublin
30 Oct
DUB15:25Dublin
33h 40m
1 stop
SEA18:05Seattle/Tacoma Intl
€659
Turkish Airlines
1 Oct
SEA19:15Seattle/Tacoma Intl
30h 20m
1 stop
DUB09:35Dublin
15 Oct
DUB10:40Dublin
38h 40m
1 stop
SEA17:20Seattle/Tacoma Intl
€662
Turkish Airlines
22 Sept
SEA19:15Seattle/Tacoma Intl
30h 20m
1 stop
DUB09:35Dublin
6 Oct
DUB05:35Dublin
19h 45m
1 stop
SEA17:20Seattle/Tacoma Intl
€663

TAP AIR PORTUGAL flights from Seattle to Ireland

Our best TAP AIR PORTUGAL deals on Seattle to Ireland flight tickets
TAP AIR PORTUGAL
13 Sept
SEA23:55Seattle/Tacoma Intl
34h 10m
2 stops
DUB18:05Dublin
29 Sept
DUB18:50Dublin
59h 48m
2 stops
SEA22:38Seattle/Tacoma Intl
€653
TAP AIR PORTUGAL
2 Sept
SEA11:45Seattle/Tacoma Intl
28h 20m
2 stops
DUB00:05Dublin
15 Sept
DUB18:50Dublin
35h 48m
2 stops
SEA22:38Seattle/Tacoma Intl
€654
TAP AIR PORTUGAL
28 Aug
SEA23:44Seattle/Tacoma Intl
40h 21m
2 stops
DUB00:05Dublin
11 Sept
DUB05:30Dublin
49h 08m
2 stops
SEA22:38Seattle/Tacoma Intl
€655

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 13 May 2026.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 13/10

08:00-05:10

1 stop13h 10m

Dublin

Sun 18/10

13:20-21:04

1 stop15h 44m

€612
Fastest return journey

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 9/11

14:35-10:15

1 stop11h 40m

Dublin

Thu 26/11

11:30-17:00

1 stop13h 30m

€614

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 6/10

08:00-05:10

1 stop13h 10m

Dublin

Sun 18/10

13:20-21:04

1 stop15h 44m

€615

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

14:50-11:50

2 stops37h 00m

Dublin

Fri 28/8

19:50-13:45

2 stops25h 55m

€616

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 22/8

15:55-10:25

2 stops34h 30m

Dublin

Mon 31/8

19:50-13:45

2 stops25h 55m

€617

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/9

15:55-10:25

2 stops34h 30m

Dublin

Fri 18/9

11:10-13:45

2 stops34h 35m

€618

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 1/9

05:00-10:15

2 stops21h 15m

Shannon

Fri 4/9

09:30-16:07

1 stop14h 37m

€645

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 25/8

08:40-10:15

2 stops17h 35m

Shannon

Tue 8/9

09:30-22:42

1 stop21h 12m

€656

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 26/5

13:30-14:40

1 stop17h 10m

Cork

Wed 3/6

06:15-16:24

1 stop18h 09m

€729

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 26/5

10:15-14:40

2 stops20h 25m

Cork

Wed 3/6

06:15-16:24

1 stop18h 09m

€733

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Seattle to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Seattle averaging around €255.

What is the cheapest Seattle/Tacoma Intl to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Ireland flight prices

How far in advance should I book a flight from Seattle to Ireland?

You are more likely to see cheaper flights to Ireland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €524 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Seattle for as low as €415 on momondo.

Can stopping save me money on Seattle to Ireland flights?

No. A direct flight is the cheapest option for a flight between Seattle to Ireland.

Cheap Seattle to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ireland

Fastest flight time

9h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Ireland

77 airports
The fastest flight from Seattle to Ireland takes 9h 05m
Direct flights go from Seattle to Ireland on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There are 77 airports in Ireland. From Seattle there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Seattle to Ireland

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ireland?

    Prices for flights from Seattle/Tacoma Intl Airport to Ireland are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ireland for you.

Can I find flights from Seattle to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Ireland?

momondo helps you find the best flight between Seattle and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
Flights to Corkfrom €88
Flights to Shannon, Clarefrom €87
Flights to Milltown (Kerry)from €38
Flights to Donegalfrom €73